William D. Dalsen

4.4 (32 reviews )

Boston Massachusetts United States

Intellectual Property Law Patent Law

Recognized in Ones to Watch since 2024

617-526-9600 Website

About William

William D. Dalsen is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Patent Law.William D., who practices law in Boston, Massachusetts, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William D. is held by other top lawyers in the same geographic and legal practice area.

William D. Dalsen is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Patent Law.

William D., who practices law in Boston, Massachusetts, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William D. is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Intellectual Property Law

Patent Law

Awards & Recognition

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Reviews

4.4 / 5

32 Reviews

1,045 Profile Views

Jordan Murazik

Feb 05, 2026

Excellent legal representation provided by William D. Dalsen for my Intellectual Property Law case

Super helpful and professional staff at William D. Dalsen's office. Thanks again for everything you did for me! It was a long journey, but you made it much easier with your constant support and legal...

Megan Bechtelar

Feb 05, 2026

Absolutely Great! I couldn't be happier with the service from William D. Dalsen

Really glad I found William D. Dalsen for my case. They were a huge help and made everything understandable. I was very impressed with their knowledge and how they handled the opposition. If you're in...

Debbie Pacocha

Feb 05, 2026

Really helpful and compassionate service from everyone at William D. Dalsen's firm

Just wanted to say a huge thanks to William D. Dalsen and the staff. They really went above and beyond for me and my family during a very difficult legal battle. We couldn't have done it without their...

Cody Berge

Feb 05, 2026

Solid work and professional service from William D. Dalsen in Boston for Massachusetts residents

It's hard finding a reliable lawyer these days, but William D. Dalsen in Boston is definitely one of the good ones. Would use them again if needed without hesitation. They are professional, responsive...

Sara Heller

Feb 05, 2026

Really helpful and compassionate service from everyone at William D. Dalsen's firm

I wasn't sure who to call for my Intellectual Property Law problem, but I'm so glad I went with William D. Dalsen. They really listened to me and understood my situation. It was such a relief to have...